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periph_conf.h
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1/*
2 * SPDX-FileCopyrightText: 2016 Kees Bakker, SODAQ
3 * SPDX-License-Identifier: LGPL-2.1-only
4 */
5
6#pragma once
7
17
18#include <stdint.h>
19
20#include "cpu.h"
21#include "periph_cpu.h"
22#include "cfg_clock_default.h"
23#include "cfg_rtc_default.h"
24#include "cfg_rtt_default.h"
25#include "cfg_spi_default.h"
26#include "cfg_timer_default.h"
27#include "cfg_usbdev_default.h"
28
29#ifdef __cplusplus
30extern "C" {
31#endif
32
38static const uart_conf_t uart_config[] = {
39 {
40 .dev = &SERCOM0->USART,
41 .rx_pin = GPIO_PIN(PA,9),
42 .tx_pin = GPIO_PIN(PA,10),
43#ifdef MODULE_PERIPH_UART_HW_FC
44 .rts_pin = GPIO_UNDEF,
45 .cts_pin = GPIO_UNDEF,
46#endif
47 .mux = GPIO_MUX_C,
48 .rx_pad = UART_PAD_RX_1,
49 .tx_pad = UART_PAD_TX_2,
50 .flags = UART_FLAG_NONE,
51 .gclk_src = SAM0_GCLK_MAIN,
52 },
53 {
54 .dev = &SERCOM5->USART,
55 .rx_pin = GPIO_PIN(PB,31),
56 .tx_pin = GPIO_PIN(PB,30),
57#ifdef MODULE_PERIPH_UART_HW_FC
58 .rts_pin = GPIO_UNDEF,
59 .cts_pin = GPIO_UNDEF,
60#endif
61 .mux = GPIO_MUX_D,
62 .rx_pad = UART_PAD_RX_1,
64 .flags = UART_FLAG_NONE,
65 .gclk_src = SAM0_GCLK_MAIN,
66 },
67 {
68 .dev = &SERCOM4->USART,
69 .rx_pin = GPIO_PIN(PB,13),
70 .tx_pin = GPIO_PIN(PB,14),
71#ifdef MODULE_PERIPH_UART_HW_FC
72 .rts_pin = GPIO_UNDEF,
73 .cts_pin = GPIO_UNDEF,
74#endif
75 .mux = GPIO_MUX_C,
76 .rx_pad = UART_PAD_RX_1,
77 .tx_pad = UART_PAD_TX_2,
78 .flags = UART_FLAG_NONE,
79 .gclk_src = SAM0_GCLK_MAIN,
80 },
81 {
82 .dev = &SERCOM1->USART,
83 .rx_pin = GPIO_PIN(PA,17),
84 .tx_pin = GPIO_PIN(PA,18),
85#ifdef MODULE_PERIPH_UART_HW_FC
86 .rts_pin = GPIO_UNDEF,
87 .cts_pin = GPIO_UNDEF,
88#endif
89 .mux = GPIO_MUX_C,
90 .rx_pad = UART_PAD_RX_1,
91 .tx_pad = UART_PAD_TX_2,
92 .flags = UART_FLAG_NONE,
93 .gclk_src = SAM0_GCLK_MAIN,
94 },
95};
96
97/* interrupt function name mapping */
98#define UART_0_ISR isr_sercom0
99#define UART_1_ISR isr_sercom5
100#define UART_2_ISR isr_sercom4
101#define UART_3_ISR isr_sercom1
102
103#define UART_NUMOF ARRAY_SIZE(uart_config)
105
110
111/* ADC Default values */
112#define ADC_PRESCALER ADC_CTRLB_PRESCALER_DIV512
113
114#define ADC_NEG_INPUT ADC_INPUTCTRL_MUXNEG_GND
115#define ADC_GAIN_FACTOR_DEFAULT ADC_INPUTCTRL_GAIN_DIV2
116#define ADC_REF_DEFAULT ADC_REFCTRL_REFSEL_INTVCC1
117
118static const adc_conf_chan_t adc_channels[] = {
119 /* port, muxpos/pin */
120 /* Use the Arduino pin number order */
121 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PA02 }, /* ADC/AIN[0], A0 */
122 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PA06 }, /* ADC/AIN[6], A1 */
123 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PA05 }, /* ADC/AIN[5], A2 */
124 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PA04 }, /* ADC/AIN[4], A3 */
125 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PB09 }, /* ADC/AIN[3], A4 */
126 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PB08 }, /* ADC/AIN[2], A5 */
127 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PB07 }, /* ADC/AIN[15], A6 */
128 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PB06 }, /* ADC/AIN[14], A7 */
129 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PB05 }, /* ADC/AIN[13], A8 */
130 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PB04 }, /* ADC/AIN[12], A9 */
131 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PA07 }, /* ADC/AIN[7], A10 */
132 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PB03 }, /* ADC/AIN[11], A11 */
133 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PB02 }, /* ADC/AIN[10], A12 */
134 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PB01 }, /* ADC/AIN[9], A13 (pin also used for DTR) */
135
136 { .inputctrl = ADC_INPUTCTRL_MUXPOS_PB00 }, /* ADC/AIN[8], BATVOLT */
137};
138
139#define ADC_NUMOF ARRAY_SIZE(adc_channels)
141
146#define PWM_0_EN 1
147#define PWM_1_EN 1
148
149#if PWM_0_EN
150/* PWM0 channels */
151static const pwm_conf_chan_t pwm_chan0_config[] = {
152 /* GPIO pin, MUX value, TCC channel */
153 { GPIO_PIN(PA, 6), GPIO_MUX_E, 0 },
154 { GPIO_PIN(PA, 7), GPIO_MUX_E, 1 },
155};
156#endif
157#if PWM_1_EN
158/* PWM1 channels */
159static const pwm_conf_chan_t pwm_chan1_config[] = {
160 /* GPIO pin, MUX value, TCC channel */
161 { GPIO_PIN(PA, 16), GPIO_MUX_F, 0 },
162 { GPIO_PIN(PA, 18), GPIO_MUX_F, 2 },
163 { GPIO_PIN(PA, 19), GPIO_MUX_F, 3 }
164};
165#endif
166
167/* PWM device configuration */
168static const pwm_conf_t pwm_config[] = {
169#if PWM_0_EN
170 {TCC_CONFIG(TCC1), pwm_chan0_config, ARRAY_SIZE(pwm_chan0_config), SAM0_GCLK_MAIN},
171#endif
172#if PWM_1_EN
173 {TCC_CONFIG(TCC0), pwm_chan1_config, ARRAY_SIZE(pwm_chan1_config), SAM0_GCLK_MAIN},
174#endif
175};
176
177/* number of devices that are actually defined */
178#define PWM_NUMOF ARRAY_SIZE(pwm_config)
180
185static const i2c_conf_t i2c_config[] = {
186 {
187 .dev = &(SERCOM2->I2CM),
188 .speed = I2C_SPEED_NORMAL,
189 .scl_pin = GPIO_PIN(PA, 13),
190 .sda_pin = GPIO_PIN(PA, 12),
191 .mux = GPIO_MUX_C,
192 .gclk_src = SAM0_GCLK_MAIN,
193 .flags = I2C_FLAG_NONE
194 }
195};
196#define I2C_NUMOF ARRAY_SIZE(i2c_config)
198
199#ifdef __cplusplus
200}
201#endif
202
#define GPIO_PIN(x, y)
Define a CPU specific GPIO pin generator macro.
Definition periph_cpu.h:45
#define GPIO_UNDEF
Definition of a fitting UNDEF value.
@ I2C_SPEED_NORMAL
normal mode: ~100 kbit/s
Definition periph_cpu.h:277
Default RTC configuration for SODAQ boards.
#define ARRAY_SIZE(a)
Calculate the number of elements in a static array.
Definition container.h:82
@ UART_PAD_RX_1
select pad 1
@ I2C_FLAG_NONE
No flags set.
@ UART_FLAG_NONE
No flags set.
@ PB
port B
@ PA
port A
@ UART_PAD_TX_0_RTS_2_CTS_3
TX is pad 0, on top RTS on pad 2 and CTS on pad 3.
@ UART_PAD_TX_2
select pad 2
#define TCC_CONFIG(tim)
Static initializer for TCC timer configuration.
@ GPIO_MUX_E
select peripheral function E
@ GPIO_MUX_D
select peripheral function D
@ GPIO_MUX_C
select peripheral function C
@ GPIO_MUX_F
select peripheral function F
#define ADC_INPUTCTRL_MUXPOS_PA05
Alias for PIN5.
Definition periph_cpu.h:123
#define ADC_INPUTCTRL_MUXPOS_PB08
Alias for PIN2.
Definition periph_cpu.h:120
#define ADC_INPUTCTRL_MUXPOS_PB02
Alias for PIN10.
Definition periph_cpu.h:128
#define ADC_INPUTCTRL_MUXPOS_PB09
Alias for PIN3.
Definition periph_cpu.h:121
#define ADC_INPUTCTRL_MUXPOS_PB01
Alias for PIN9.
Definition periph_cpu.h:127
#define ADC_INPUTCTRL_MUXPOS_PA07
Alias for PIN7.
Definition periph_cpu.h:125
#define ADC_INPUTCTRL_MUXPOS_PB06
Alias for PIN14.
Definition periph_cpu.h:132
#define ADC_INPUTCTRL_MUXPOS_PA04
Alias for PIN4.
Definition periph_cpu.h:122
#define ADC_INPUTCTRL_MUXPOS_PB04
Alias for PIN12.
Definition periph_cpu.h:130
#define ADC_INPUTCTRL_MUXPOS_PB03
Alias for PIN11.
Definition periph_cpu.h:129
#define ADC_INPUTCTRL_MUXPOS_PA06
Alias for PIN6.
Definition periph_cpu.h:124
#define ADC_INPUTCTRL_MUXPOS_PB05
Alias for PIN13.
Definition periph_cpu.h:131
#define ADC_INPUTCTRL_MUXPOS_PA02
ADC pin aliases.
Definition periph_cpu.h:118
#define ADC_INPUTCTRL_MUXPOS_PB07
Alias for PIN15.
Definition periph_cpu.h:133
#define ADC_INPUTCTRL_MUXPOS_PB00
Alias for PIN8.
Definition periph_cpu.h:126
#define SAM0_GCLK_MAIN
120 MHz main clock
Definition periph_cpu.h:73
ADC Channel Configuration.
I2C configuration structure.
Definition periph_cpu.h:298
PWM channel configuration data structure.
PWM device configuration.
UART device configuration.
Definition periph_cpu.h:217